Siemens SIMATIC TI505 Manual do Utilizador descarregar pdf (Página 29)

Installation and Set-up

1-18

SIMATIC TI505/TI500 MODNIM User Manual

Diagnostic

ests (continued)

The

User

-Initiated Self T

est performs a complete test of the MODNIM

hardware, including the communications ports. T

o run this test, follow the

steps listed below

NOTE:

Since this test includes the communications ports, be sure to

disconnect the MODNIM from the network.

Disconnect network cables from both network ports of the MODNIM.

Install the loopback connectors supplied with your module on ports A

and B of the MODNIM.

Press the RESET button and, at the same time, press

and hold

the

TEST button for about 5 seconds.

The TEST MODE indicator light turns on to signal the start of the test,

while all other indicators go off. After about six seconds, all LED indicators

will flash on and off for approximately two seconds. When the test has

finished executing, the TEST MODE indicator flashes at a rate of 2 Hz.

able 1-3 shows how to interpret the results of the user

-initiated diagnostic

test according to the status of the indicator lights on the MODNIM. The

indicators show the

pass

fail

status of each of the tests conducted.

able 1-3

Indicator Status after User-Initiated T

est

Indicator Pass Fail Diagnostic Tests Included

NIM GOOD On Off ROM, RAM, watchdog timer

PC/NIM COMM GOOD On Off Communications with PLC

RECEIVE On Off

Network Port A: media

interface; loopback connector

TRANSMIT On Off

Network Port B: media

interface; loopback connector

TEST MODE Flashing Flashing Tests completed

the User

-Initiated Self T

est is completed successfully

, then you can

reconnect the network cable to the MODNIM and press the Reset button.

The MODNIM will re-initialize and be ready for normal operation.

User-Initiated

Self T

est

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